package com.example.object;

import java.io.IOException;
import java.net.InetAddress;
import java.net.Socket;

public class WebPing {
    public static void main(String[] args) {
        try{
            InetAddress addr;
            Socket sock=new Socket("www.runoob.com",80);
            addr=sock.getInetAddress();
            System.out.println("连接到"+addr);
            sock.close();
        }catch (java.io.IOException e){
            System.out.println("无法连接"+args[0]);
            System.out.println(e);
        }
    }
}
